aplfw/application/filecmd/filedump/filedump_main.c

   1 /**
   2  *  Hyper Operating System  Application Framework
   3  *
   4  * @file  filedump_main.c
   5  * @brief %jp{ファイルダンプコマンド}
   6  *
   7  * Copyright (C) 2006-2007 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include "hosaplfw.h"
  15 #include "filedump.h"
  16
  17 #define FILEDUMP_BUFSIZE        4096
  18
  19
  20 int FileDump_Main(int argc, char *argv[])
  21 {
  22         HANDLE                  hFile;
  23         unsigned char   *pubBuf;
  24         unsigned long   ulSize = 0x7fffffff;
  25         unsigned long   ulPos  = 0;
  26         int                             iReadSize;
  27         int                             i;
  28
  29         /* 引数チェック */
  30         if ( argc < 2 )
  31         {
  32                 StdIo_PrintFormat(
  33                                 "<usage>\n"
  34                                 " %s filename [size] [offest]\n\n",
  35                                 argv[0]
  36                         );
  37                 return 1;
  38         }
  39
  40         /* コマンドライン解析 */
  41         if ( argc >= 3 )
  42         {
  43                 ulSize = (int)strtoul(argv[2], 0, 0);
  44         }
  45         if ( argc >= 4 )
  46         {
  47                 ulPos = (int)strtoul(argv[3], 0, 0);
  48         }
  49
  50
  51         /* ファイルをを開く */
  52         if ( (hFile = File_Open(argv[1], FILE_OPEN_READ)) == HANDLE_NULL )
  53         {
  54                 return 1;
  55         }
  56         ulPos = (unsigned long)File_Seek(hFile, ulPos, FILE_SEEK_SET);
  57
  58         /* バッファ確保 */
  59         pubBuf = (unsigned char *)Memory_Alloc(FILEDUMP_BUFSIZE);
  60         if ( pubBuf == NULL )
  61         {
  62                 File_Close(hFile);
  63                 return 1;
  64         }
  65
  66
  67         while ( ulSize > 0 )
  68         {
  69                 if ( ulSize > FILEDUMP_BUFSIZE )
  70                 {
  71                         iReadSize = FILEDUMP_BUFSIZE;
  72                 }
  73                 else
  74                 {
  75                         iReadSize = (int)ulSize;
  76                 }
  77
  78                 iReadSize = File_Read(hFile, pubBuf, iReadSize);
  79                 if ( iReadSize <= 0 )
  80                 {
  81                         break;
  82                 }
  83                 ulSize -= iReadSize;
  84
  85                 for ( i = 0; i < iReadSize; i++ )
  86                 {
  87                         if ( i % 16 == 0 )
  88                         {
  89                                 StdIo_PrintFormat("%08lx: ", ulPos);
  90                         }
  91                         StdIo_PrintFormat("%02x ",  pubBuf[i]);
  92                         ulPos++;
  93                         if ( i % 16 == 15 )
  94                         {
  95                                 StdIo_PrintFormat("\n");
  96                         }
  97                 }
  98         }
  99         StdIo_PrintFormat("\n");
 100
 101
 102         /* メモリ開放 */
 103         Memory_Free(pubBuf);
 104
 105         /* ファイルを閉じる */
 106         File_Close(hFile);
 107
 108         return 0;
 109 }
 110
 111
 112 /* end of file */